DIN980 Prevailing Torque type Hexagon Nuts

Product description

      DIN 980 metal self-locking nut (also called the preset torque locknut).

      It consists of two types:

      1. torque type hexagon nuts, is type v (is a single piece of metal).
      2.type M, (the two metal effective torque).
      And V-shaped deformation is itself an effective moment by a nut; M-type inserts are an effective moment through the metal.

Products specifications

1)Brand Name:DASHAN.

2)Original of Place:Handan,China.

3)Material:Q235, 45#, AISI304(A2-70), AISI316(A4-80) etc

4)Production grade:5.8/6.8/8.8/10.9/12.9.

5)Production Process:

a)Cold Heading:Cold heading→Heat treatment→Surface treatment.

b)Forging: Cutting → Chamfering (tail) → Hot Forging → Chamfering (head) → Polishing → Backspin → Threading Rolling → Heat treatment → Surface treatment.

6)Surface color: Black/grey/silver

7)Packing Method:25kg per carton, 36 cartons packed in a pallet , or 100/200/500/1000PCS Per    Small Box +carton box or according to your demands.

8)Supply Ability:400 tons per month.

9)Minimum Order:200kgs for each specification.

10)Delivery Time:20-45 days after we receive the deposit.

11)Payment Term:T/T.

12)Certification:ISO9001-2008.

13)Purchasing Notice:Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us.

Instruction of our company

    We specialized in doing fasteners such high strength Grade 8.8/10.9/12.9 bolts, nuts, screws, washers, Steel Rebar Coupler and other construction fasteners,building accessories, electric power fittings etc.

    We have several production equipment and inspection facilities, including finish of surface as black, zinc, dacromet, and quality control.

Packaging & Shipping